<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>购物车</title>
    <%@include file="/pages/common/head.jsp" %>
    <style>
        body {
            margin: 0;
            padding: 0;
        }

        #bottom {
            width: 100%;
            height: 80px;
            line-height: 80px;
            text-align: center;
            /* 方法一 */
            position: fixed;
            bottom: 0;
        }
    </style>
    <script type="text/javascript">
        $(function () {
            //给删除操作绑定点击事件
            $(".delete_item").click(function () {
                //return confirm("你确定要删除【" + $(this).parent().parent().find("td:first").text() +"】吗?")
                return confirm("您确定要把【" + $(this).parent().parent().children("td:first").text() + "】移出购物车吗？");
            })
            //给清空购物车操作绑定单击事件
            $("#deleteCart").click(function () {
                return confirm("您确定要清空购物车？");
            })
            //给修改商品项数量绑定change事件
            $(".updateCount").change(function () {
                //获取商品名称和编号
                var name = $(this).parent().parent().children(":eq(0)").text();
                var id = $(this).attr("bookId")
                //获取当前商品数量
                var count = $(this).val();
                if (confirm("您确定要把【" + name + "】的数量修改为" + count)) {
                    // 发起请求。给服务器保存修改
                    location.href =
                        "http://localhost:8080/HfsSale/cartServlet?action=updateCount&count=" + count + "&id=" + id;
                } else {
                    // defaultValue 属性是表单项 Dom 对象的属性。它表示默认的 value 属性值
                    this.value = this.defaultValue;
                }
            })
        })
    </script>
</head>
<body>

<div style="width: 100%;height: 50px;
background-color: #2aabd2;
text-align: center;color: white;font-size: 26px;padding-top: 8px">
    海飞丝洗发护发用品销售系统
</div>
<div style="width: 100%;height: 50px;
background-color: rgba(34,212,239,0.71);font-size: 20px;padding: 8px">
    <span style="color: #d93535">${sessionScope.user.name}&nbsp;的&nbsp;购&nbsp;物&nbsp;车</span>
    <a href="index.jsp" style=""><span style="color: #d93535;float: right">返回商城首页</span></a>
</div>

<div id="main" style="height: 600px;">

    <table class="table table-hover">
        <tr>
            <td>商品名称</td>
            <td>数量</td>
            <td>单价</td>
            <td>金额</td>
            <td>操作</td>
        </tr>
        <c:if test="${empty sessionScope.cart.items}">
            <%--购物车为空的情况--%>
            <tr>
                <td colspan="5">
                    <a href="index.jsp" style="color: darkorange">
                        <div style="text-align: center;font-size: 25px">
                            亲！您的购物车为空，快去挑选心爱的商品吧！
                        </div>
                    </a>
                </td>
            </tr>
        </c:if>
        <c:if test="${not empty sessionScope.cart.items}">
            <%--购物车非空的情况--%>
            <c:forEach items="${sessionScope.cart.items}" var="entry">
                <tr>
                    <td>${entry.value.name}</td>
                    <td>
                        <input bookId="${entry.value.id}"
                               class="updateCount"
                               style="width: 80px"
                               type="text"
                               value="${entry.value.count}"/>
                    </td>
                    <td>${entry.value.price}</td>
                    <td>${entry.value.totalPrice}</td>
                    <td><a class="delete_item" href="cartServlet?action=deleteItem&id=${entry.value.id}">删除</a></td>
                </tr>
            </c:forEach>
        </c:if>

    </table>

    <c:if test="${not empty sessionScope.cart.items}">
        <div class="cart_info" style="font-size: 25px;text-align: center">
        <span class="cart_span">购物车中共有<span class="b_count">
                ${sessionScope.cart.totalCount}件商品<%--默认调用的是Cart类中的getTotalCount方法--%>
        </span></span>
            <span class="cart_span">总金额
                <span class="b_price" style="color: red">
                        ${sessionScope.cart.totalPrice}元<%--默认调用的是Cart类中的getTotalPrice方法--%>
                </span>
            </span>
            <span id="deleteCart" class="cart_span"><a href="cartServlet?action=clear">清空购物车</a></span>
            <span class="cart_span">
                <a href="orderServlet?action=createOrder">
                    去结账
                </a></span>
        </div>
    </c:if>

    <%--静态包含 页脚内容--%>
    <%@include file="/pages/common/foot.jsp" %>
</div>

</body>
</html>